<template>
  <div>
    <!-- 1 v-for -->

    
    <!--over 1 v-for -->
  </div>
</template>

<script>
export default {
  data () {
    return {
      data: []
    }
  },
  props: ['contents'],
  watch: {// 有bug，展开收缩报错
    contents: function (val, oldval) {
      console.log(val)
      this.data = val
    }
  }
}
</script>

<style>
</style>
